-Herranz, JM., Ferrandis, P. & Martínez-Duro, E., 2010, Seed germination ecology of the threatened endemic Iberian Delphinium fissum subsp. sordidum (Ranunculaceae), Plant Ecology 211, 89–106. -Ferrero, LM., Montouto, O. & Herranz, JM., 2006, Flora amenazada y de interés del Parque Natural del Alto Tajo. Junta de Comunidades de Castilla-La Mancha. -Mateo Sanz, G. & Pisco García, J. M. 1993, Delphinium fissum subsp. sordidum(Cuatrec.) Amich, Rico & Sánchez, 1993, Acta Botanica Malacitana 18, 286. -Renée-Orellana, M., López-Pujo, J., Blanché, C. & Bosch, M., 2007, Genetic diversity in the endangered dysploid larkspur Delphinium bolosii and its close diploid relatives in the series Fissa of the Western Mediterranean area The Linnean Society of London, Biological Journal of the Linnean Society 92, 773–784. -http://sigpac.mapa.es/fega/visor/
-Ferrero, LM., Montouto, O. & Herranz, JM., 2006, Flora amenazada y de interés del Parque Natural del Alto Tajo. Junta de Comunidades de Castilla-La Mancha.
-Mateo Sanz, G. & Pisco García, J. M. 1993, Delphinium fissum subsp. sordidum(Cuatrec.) Amich, Rico & Sánchez, 1993, Acta Botanica Malacitana 18, 286.
-Renée-Orellana, M., López-Pujo, J., Blanché, C. & Bosch, M., 2007, Genetic diversity in the endangered dysploid larkspur Delphinium bolosii and its close diploid relatives in the series Fissa of the Western Mediterranean area The Linnean Society of London, Biological Journal of the Linnean Society 92, 773–784.
-http://sigpac.mapa.es/fega/visor/